<template>
  <!-- <nav>
    <router-link to="/">Home</router-link> |
    <router-link to="/about">About</router-link> 
  </nav> -->
  <router-view v-if="isRouterAlive" />
</template>

<script>
// import navView from "@/components/navView.vue";
// import footView from "@/components/footer.vue";
import { onMounted, ref, watch, nextTick, provide } from "vue"; //要引入方法
// import { useRouter } from "vue-router";

export default {
  name: "app",
  // components: {
  //   navView,
  //   footView,
  // },
  // created() {
  //   console.log("123", this.$route.path);
  // },
  setup() {
    // 局部组件刷新
    const isRouterAlive = ref(true);
    const reload = () => {
      isRouterAlive.value = false;
      nextTick(() => {
        isRouterAlive.value = true;
      });
    };
    provide("reload", reload);
    return {
      isRouterAlive,
    };
  },
  watch: {},
};
</script>

<style lang="scss">
* {
  padding: 0;
  margin: 0;
}
#app {
  font-family: Avenir, Helvetica, Arial, sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  text-align: center;
  color: #2c3e50;
}

// nav {
//   padding: 30px;

//   a {
//     font-weight: bold;
//     color: #2c3e50;

//     &.router-link-exact-active {
//       color: #42b983;
//     }
//   }
// }
</style>
